1 #ifndef MSP_GL_SL_RESOLVE_H_
2 #define MSP_GL_SL_RESOLVE_H_
14 /** Forms links between nested blocks in the syntax tree. */
15 class BlockHierarchyResolver: private TraversingVisitor
18 bool r_any_resolved = false;
21 bool apply(Stage &s) { r_any_resolved = false; s.content.visit(*this); return r_any_resolved; }
24 virtual void enter(Block &);
27 /** Resolves types of variables and base types of other types. */
28 class TypeResolver: private TraversingVisitor
32 std::map<TypeDeclaration *, TypeDeclaration *> alias_map;
33 std::map<std::pair<TypeDeclaration *, bool>, TypeDeclaration *> array_types;
34 std::map<std::pair<ImageTypeDeclaration *, std::string>, ImageTypeDeclaration *> image_types;
35 NodeList<Statement>::iterator type_insert_point;
36 NodeList<Statement>::iterator block_member_type_ins_pt;
37 VariableDeclaration *iface_block = 0;
38 bool r_any_resolved = false;
44 TypeDeclaration *get_or_create_array_type(TypeDeclaration &);
45 TypeDeclaration *get_or_create_image_type(ImageTypeDeclaration &, const std::string &);
46 void resolve_type(TypeDeclaration *&, const std::string &, bool, const Layout * = 0);
47 virtual void visit(Block &);
48 virtual void visit(BasicTypeDeclaration &);
49 virtual void visit(ImageTypeDeclaration &);
50 virtual void visit(StructDeclaration &);
51 virtual void visit(VariableDeclaration &);
52 virtual void visit(FunctionDeclaration &);
55 /** Resolves variable references. */
56 class VariableResolver: private TraversingVisitor
60 RefPtr<Expression> r_replacement_expr;
61 bool r_any_resolved = false;
62 bool record_target = false;
63 bool r_self_referencing = false;
64 Assignment::Target r_assignment_target;
65 std::vector<Statement *> redeclared_builtins;
66 std::set<Node *> nodes_to_remove;
72 virtual void enter(Block &);
73 virtual void visit(RefPtr<Expression> &);
74 void check_assignment_target(VariableDeclaration *);
75 virtual void visit(VariableReference &);
76 virtual void visit(MemberAccess &);
77 virtual void visit(Swizzle &);
78 virtual void visit(BinaryExpression &);
79 virtual void visit(Assignment &);
80 void merge_layouts(Layout &, const Layout &);
81 void redeclare_builtin(VariableDeclaration &, VariableDeclaration &);
82 virtual void visit(VariableDeclaration &);
85 /** Resolves types and lvalueness of expressions. */
86 class ExpressionResolver: private TraversingVisitor
99 BasicTypeDeclaration *type = 0;
100 unsigned component_count = 0;
104 const FunctionDeclaration *current_function = 0;
105 std::vector<BasicTypeDeclaration *> basic_types;
106 NodeList<Statement>::iterator insert_point;
107 bool r_any_resolved = false;
113 static Compatibility get_compatibility(BasicTypeDeclaration &, BasicTypeDeclaration &);
114 BasicTypeDeclaration *find_type(BasicTypeDeclaration::Kind, unsigned, bool = true);
115 BasicTypeDeclaration *find_type(BasicTypeDeclaration &, BasicTypeDeclaration::Kind, unsigned);
116 void convert_to(RefPtr<Expression> &, BasicTypeDeclaration &);
117 bool convert_to_element(RefPtr<Expression> &, BasicTypeDeclaration &);
118 bool truncate_vector(RefPtr<Expression> &, unsigned);
119 void resolve(Expression &, TypeDeclaration *, bool);
121 virtual void visit(Block &);
122 virtual void visit(Literal &);
123 virtual void visit(VariableReference &);
124 virtual void visit(MemberAccess &);
125 virtual void visit(Swizzle &);
126 virtual void visit(UnaryExpression &);
127 void visit(BinaryExpression &, bool);
128 virtual void visit(BinaryExpression &);
129 virtual void visit(Assignment &);
130 virtual void visit(TernaryExpression &);
131 void visit_constructor(FunctionCall &);
132 virtual void visit(FunctionCall &);
133 virtual void visit(BasicTypeDeclaration &);
134 virtual void visit(VariableDeclaration &);
135 virtual void visit(FunctionDeclaration &);
136 virtual void visit(Return &);
139 /** Resolves function declarations and calls. */
140 class FunctionResolver: private TraversingVisitor
144 std::map<std::string, std::vector<FunctionDeclaration *> > declarations;
145 bool r_any_resolved = false;
151 static bool can_convert_arguments(const FunctionCall &, const FunctionDeclaration &);
153 virtual void visit(FunctionCall &);
154 virtual void visit(FunctionDeclaration &);